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Finding the Fourth Proportional to 50,486.52, 75,738.78 and 16,754.57

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Solution

The fourth proportional to 50,486.52, 75,738.78 and 16,754.57 is: 25,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,486.52 : 75,738.78 = 16,754.57 : x
  2. Step 2: Convert to fraction form
    50,486.52/75,738.78 = 16,754.57/x
  3. Step 3: Cross multiply
    50,486.52x = 75,738.78 × 16,754.57
  4. Step 4: Simplify right side
    50,486.52x = 1,268,970,228.76
  5. Step 5: Solve for x
    x = 1,268,970,228.76/50,486.52
  6. Step 6: Final answer
    x = 25,134.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.